Can't get rid of the 1. In your quote so just added 4.
Essentially it's just forcing the browsing to go to https://forum.garysgaragemahal.com/ which normally gets redirected.
Long pressing on Bullnose Forums here:
Will bring up:
Then you can choose to open in a new tab, go to that tab, and you are directly in the forum.
Again, mainly just for mobile experience.